The current study focused on fresh, hardened, and microstructural properties of self-compacting concrete (SCC) made with recycled concrete aggregates (RCA) and granite-cutting waste (GW). Coarse aggregate was partially replaced with RCA at 50 % and 100 % levels, and GW was …
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2024813· This review focuses on sustainable aggregates produced from solid waste with rheological or mechanical properties suitable for replacing conventional aggregates in asphalt or hydraulic concrete mixtures. The aim is to determine the optimal replacement percentage in the mixture to directly impact pavement performance.
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2024813· This review focuses on sustainable aggregates produced from solid waste with rheological or mechanical properties suitable for replacing …
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20241130· Recycling solid waste is one of the most important ways to reduce carbon footprints and put sustainability into practice. This research aims to bridge the gap between the results of previous studies and the effectiveness and sustainability benefits of using plastic waste (PW) in concrete mixes by partially replacing coarse aggregate with PW. Furthermore, we …
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202511· It was found that replacement rates up to 3%, 30%, and 50% for recycled power, recycled fine aggregate, and recycled coarse aggregate respectively could be applied in concrete mixture design
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2025318· This research presents a novel approach to enhance the strength and durability of recycled aggregate concrete, RAC through the …
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2024510· Investigating combinations of 100% recycled coarse and fine concrete aggregates provides a viable solution for repurposing concrete waste generated from demolition, renovation, and construction activities, diverting it from landfills and promoting a circular economy approach. The recycled aggregate was used as a 100% replacement by volume.
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ABSTRACT The primary objective of this study is to evaluate optimum bitumen content and the characteristic of recycled polyethylene terephthalate (PET) as partial fine aggregate replacement in asphalt mixtures for road pavements by determining the rutting, fatigue and stiffness properties. The percentage of recycled PET replace fine aggregate in asphalt mixture start up 25% and …
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31· In the recent past, substantial explorations have been accomplished to appreciate the distinct characteristics of concrete, employing recycled aggregates from construction and demolition waste. Geopolymer composite is a new cementitious material, and it appears to be a potential replacement for conventional cement concrete.
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2025618· The impact of these materials on the rheological properties of self-compacting recycled aggregate concrete (SCRAC) like slump flow, J-ring, and V-funnel. The strength and durability of SCRAC with up to 40% mineral admixture replacement with and without H.
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115· One of the most important components to form the load-bearing skeleton of concrete is the coarse and fine aggregates. The most used fine aggregate for concrete mixture is river sand.
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202568· This study investigates the feasibility of recycled concrete fine aggregate (RFA) as a green alternative to river sand (RS) as a replacement for structural grade concrete as per …
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20141215· Lam et al. [78] replaced recycled aggregate which used as fine aggregate in concrete blocks with mixed colour (30% colourless, 40% green and 30% brown) recycled crushed glass (size <5 mm) at levels of 0%, 25%, 50%, 75% and 100%, by weight.
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202511· Recycled aggregate concrete mainly had three zones: aggregate zone, mortar zone, ITZ zone between the coarse aggregate, the matrix, and residue mortar as another matrix. Much research has been done on using, recycling, and reusing concrete wastes. By replacing natural coarse aggregates, recycled coarse aggregates are to be used for a new concrete …
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202449· This study, therefore, explores the feasibility of using recycled low-density polyethylene (LDPE) plastic as a partial replacement for fine aggregate in concrete.
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202521· The effective recycling and utilization of construction and demolition (C&D) waste to its maximum capacity to achieve a circular economy model is challenging in the current scenario. This current research emphasizes upcycling C&D waste using an acid dissolution method to separate the binder and aggregate fractions, and their performance was evaluated …
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2024717· The concept and implementation of recycled aggregate concrete (RAC) offer a sustainable solution for the concrete industry. Crushed …
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202071· The replacement rates of natural aggregates with recycled coarse aggregates were 0%, 10%, 15%, and 20%. The test samples were …
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201791· The results reveal that recycled concrete with 50% replacement of natural coarse aggregates with recycled or reclaimed aggregates can have …
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2025411· This study investigates the use of demolition waste as recycled coarse aggregates (RCAs) to replace natural coarse aggregates (NCAs), and the use of ground granulated blast slag (GGBS) and limestone filler (LF) as a supplementary cementitious material, in self-compacting concrete (SCC), with proportions of 150 kg/m3 for GGBS and 180 kg/m3 for …
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Abstract Waste reduction and decreasing the need for natural aggregate are significant environmental factors that should be taken into consideration. Both can be achieved by incorporating recycled concrete aggregate into fresh concrete mixes. Most previous studies on concrete incorporating recycled concrete aggregates mainly examined recycled coarse …
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Abstract To study the shrinkage and freeze-thaw durability of cement-fly-ash-stabilized brick and concrete reclaimed gravel mixture (CFRBCA), recycled gravel was used to replace 100% of …
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1 · ABSTRACT This paper assesses the effect of recycled concrete aggregate (RCA) on the fresh and hardened properties of fibre-reinforced self-compacting concrete (FRSCC) mixtures, …
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715· On the other hand, in Italy [174], the limitation occurs only for concrete strength class and type of recycled aggregate: RCA (recycled concrete aggregate) can replace up to 30% of natural coarse aggregate for concrete with strength class up to C30/37.
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2025425· TOPSIS analysis demonstrated that recycled aggregates treated for 200 seconds exhibited optimal performance in the mixture, even outperforming new aggregates. This suggests that recycled aggregates with surface treatment after asphalt-aggregate separation can fully replace new aggregates in asphalt mixtures.
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